Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6763799 | Internal combustion engine and control method of the same | Takekazu Ito, Hiroki Matsuoka, Tatsumasa Sugiyama, Taro Aoyama, Jun Tahara +4 more | 2004-07-20 |
| 6619035 | Exhaust emission control device of internal combustion engine | Hiroki Matsuoka, Souichi Matsushita, Yukihiro Tsukasaki, Kotaro Hayashi, Shinobu Ishiyama +7 more | 2003-09-16 |